package com.yang.crawler.test;

import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

/****
 * 使用httpClient案例1
 * 用Get访问传智博客官网
 *  @Author: 无为
 *  @Data: 2021/8/28 0:07
 */
public class CrawlerFirst {
    public static void main(String[] args) throws IOException {
        //1.打开游览器
        CloseableHttpClient httpClient = HttpClients.createDefault();

        //2.输入网址，发起get请求创建HttpGet对象
        HttpGet httpGet = new HttpGet("http://www.itcast.cn");

        //3.发起请求，返回响应，返回响应，使用HttpClient对象发起请求
        CloseableHttpResponse response = httpClient.execute(httpGet);

        //4.解析响应，获取数据
        //判断状态码是否是200
        if(response.getStatusLine().getStatusCode() == 200){
            HttpEntity httpEntity = response.getEntity();
            String content = EntityUtils.toString(httpEntity, "utf-8");

            System.out.println(content);
        }
        
    }
}
